Home / 8,548.48-12,813-3,615.04

Finding the Fourth Proportional to 8,548.48, 12,813 and 3,615.04

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Solution

The fourth proportional to 8,548.48, 12,813 and 3,615.04 is: 5,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.48 : 12,813 = 3,615.04 : x
  2. Step 2: Convert to fraction form
    8,548.48/12,813 = 3,615.04/x
  3. Step 3: Cross multiply
    8,548.48x = 12,813 × 3,615.04
  4. Step 4: Simplify right side
    8,548.48x = 46,319,507.52
  5. Step 5: Solve for x
    x = 46,319,507.52/8,548.48
  6. Step 6: Final answer
    x = 5,418.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.